body {
    margin: 0;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    padding: 0;
    margin: 0;
}
ul , 
ol {
    padding: 0;
    margin: 0;
    list-style: none;
}
a ,
a:focus {
    text-decoration: none;
    color: #000;
    -webkit-tap-highlight-color: transparent;
}
button{
    -webkit-tap-highlight-color: rgba(255, 0, 0, 0);
}
.f_left{
    float: left;
}

.f_right{
    float: right;
}

.clearfix::after{
    content: '';
    display: block;
    clear:both;
}

body{
    background:#c2e9fb;
}

